/*
 * Copyright 2006-2009 Wolfgang Gehner
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.rsp.tiles;

import org.apache.tiles.impl.BasicTilesContainer;
import org.apache.tiles.web.startup.TilesFilter;
import org.apache.tiles.web.util.TilesDispatchServlet;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.rsp.http.HttpActivator;
import org.rsp.http.WebXml;

public abstract class TilesActivator extends HttpActivator implements BundleActivator{

	public static final String TILES_FILTER_NAME = "org.apache.tiles.web.startup.TilesFilter";
	public static final String TILES_DISPATCH_SERVLET_NAME = "org.apache.tiles.web.util.TilesDispatchServlet";
	
	public void start(BundleContext context) throws Exception {
		start (context, webXml);
	}
	
	public void start(BundleContext context, WebXml webXml) throws Exception {
		
		//set defaults if not set by concrete class
		
		if (!webXml.containsContextParam(HttpActivator.BUNDLE_URI_NAMESPACE))
		{
			webXml.addContextParam(HttpActivator.BUNDLE_URI_NAMESPACE, "/"+context.getBundle().getSymbolicName());
		}	
		
		if (!webXml.containsFilter(TILES_FILTER_NAME)){
			webXml.addFilter(TILES_FILTER_NAME, TilesFilter.class).addMapping("/");
			//or: webXml.addFilter(TilesFilter.class).addMapping("/");
		}
		
		if (!webXml.containsServlet(TILES_DISPATCH_SERVLET_NAME)){
			webXml.addServlet(TILES_DISPATCH_SERVLET_NAME, TilesDispatchServlet.class).addMapping("/*.tiles");
			//or: webXml.addServlet(TilesDispatchServlet.class).addMapping("/*.tiles");
		}
		
		if (!webXml.containsContextParam(BasicTilesContainer.DEFINITIONS_CONFIG)){
			webXml.addContextParam(BasicTilesContainer.DEFINITIONS_CONFIG, "/WEB-INF/tiles.xml");
		}
		
		super.start(context, webXml);
	}
	
	public void setTilesDefinitionsConfig(String path){
		webXml.addContextParam(BasicTilesContainer.DEFINITIONS_CONFIG, path);
	}

}
